| package com.android.certinstaller; |
| |
| import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.res.Resources; |
| import android.net.Uri; |
| import android.net.wifi.WifiManager; |
| import android.net.wifi.hotspot2.ConfigParser; |
| import android.net.wifi.hotspot2.PasspointConfiguration; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.provider.DocumentsContract; |
| import android.text.TextUtils; |
| import android.util.EventLog; |
| import android.util.Log; |
| import android.view.View; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| /** |
| * An Activity for provisioning a Hotspot 2.0 Release 1 configuration. |
| */ |
| public class WiFiInstaller extends Activity { |
| |
| private static final String TAG = "WifiInstaller"; |
| private static final String NETWORK_NAME = "network_name"; |
| private static final String INSTALL_STATE = "install_state"; |
| private static final String TYPE_WIFI_CONFIG = "application/x-wifi-config"; |
| public static final int INSTALL_SUCCESS = 2; |
| public static final int INSTALL_FAIL = 1; |
| public static final int INSTALL_FAIL_NO_WIFI = 0; |
| private PasspointConfiguration mPasspointConfig; |
| private boolean mIsPasspointConfigurationValid; |
| |
| @Override |
| protected void onCreate(Bundle savedStates) { |
| super.onCreate(savedStates); |
| getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS); |
| |
| mIsPasspointConfigurationValid = false; |
| Bundle bundle = getIntent().getExtras(); |
| if (bundle == null) { |
| Log.e(TAG, "Invalid inputs"); |
| return; |
| } |
| String uriString = bundle.getString(CertInstallerMain.WIFI_CONFIG_FILE); |
| String mimeType = bundle.getString(CertInstallerMain.WIFI_CONFIG); |
| byte[] data = bundle.getByteArray(CertInstallerMain.WIFI_CONFIG_DATA); |
| |
| Log.d(TAG, "WiFi data for " + CertInstallerMain.WIFI_CONFIG + ": " + |
| mimeType + " is " + (data != null ? data.length : "-")); |
| |
| // Make sure that the input is valid |
| if (data == null || data.length == 0 || TextUtils.isEmpty(uriString)) { |
| Log.e(TAG, "Invalid inputs"); |
| return; |
| } |
| |
| // Verify MIME type before parsing |
| if (!TextUtils.equals(mimeType, TYPE_WIFI_CONFIG)) { |
| Log.e(TAG, "Unexpected MIME type: " + mimeType); |
| EventLog.writeEvent(0x534e4554, "176756691", -1, "Invalid mime-type"); |
| return; |
| } |
| |
| mPasspointConfig = ConfigParser.parsePasspointConfig(mimeType, data); |
| if (mPasspointConfig == null) { |
| Log.e(TAG, "Failed to build Passpoint configuration"); |
| EventLog.writeEvent(0x534e4554, "176756691", -1, "Invalid data in file " |
| + uriString); |
| return; |
| } |
| if (mPasspointConfig.getHomeSp() == null) { |
| Log.e(TAG, "Passpoint profile missing HomeSP information"); |
| } else { |
| // Passpoint configuration parsed successfully and valid. Mark to be installed. |
| mIsPasspointConfigurationValid = true; |
| } |
| // Delete the file only if the Passpoint configuration was parsed successfully |
| dropFile(Uri.parse(uriString), getApplicationContext()); |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| createMainDialog(); |
| } |
| |
| /** |
| * Create a dialog that guides the user through Hotspot 2.0 Release 1 configuration file |
| * installation. |
| */ |
| private void createMainDialog() { |
| Resources res = getResources(); |
| AlertDialog.Builder builder = new AlertDialog.Builder(this); |
| View layout = getLayoutInflater().inflate(R.layout.wifi_main_dialog, null); |
| builder.setView(layout); |
| |
| TextView text = (TextView) layout.findViewById(R.id.wifi_info); |
| if (mIsPasspointConfigurationValid) { |
| WifiManager wifiManager = getSystemService(WifiManager.class); |
| text.setText(String.format(getResources().getString(R.string.wifi_installer_detail), |
| mPasspointConfig.getHomeSp().getFriendlyName())); |
| |
| builder.setTitle(mPasspointConfig.getHomeSp().getFriendlyName()); |
| builder.setIcon(res.getDrawable(R.drawable.signal_wifi_4_bar_lock_black_24dp)); |
| |
| builder.setPositiveButton(R.string.wifi_install_label, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| Toast.makeText(WiFiInstaller.this, getString(R.string.wifi_installing_label), |
| Toast.LENGTH_LONG).show(); |
| AsyncTask.execute(new Runnable() { |
| @Override |
| public void run() { |
| boolean success = true; |
| try { |
| wifiManager.removePasspointConfiguration( |
| mPasspointConfig.getHomeSp().getFqdn()); |
| } catch (IllegalArgumentException e) { |
| // Do nothing. This is expected if a profile with this FQDN does not |
| // exist. |
| } |
| try { |
| wifiManager.addOrUpdatePasspointConfiguration(mPasspointConfig); |
| } catch (RuntimeException rte) { |
| Log.w(TAG, "Caught exception while installing wifi config: " + |
| rte, rte); |
| success = false; |
| } |
| if (success) { |
| Intent intent = new Intent(getApplicationContext(), |
| CredentialsInstallDialog.class); |
| intent.putExtra(NETWORK_NAME, |
| mPasspointConfig.getHomeSp().getFriendlyName()); |
| intent.putExtra(INSTALL_STATE, INSTALL_SUCCESS); |
| startActivity(intent); |
| } else { |
| Intent intent = new Intent(getApplicationContext(), |
| CredentialsInstallDialog.class); |
| intent.putExtra(INSTALL_STATE, INSTALL_FAIL); |
| startActivity(intent); |
| } |
| finish(); |
| } |
| }); |
| dialog.dismiss(); |
| } |
| }); |
| |
| builder.setNegativeButton(R.string.wifi_cancel_label, new |
| DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| dialog.dismiss(); |
| finish(); |
| } |
| }); |
| } else { |
| text.setText(getResources().getString(R.string.wifi_installer_download_error)); |
| builder.setPositiveButton(R.string.done_label, new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| dialog.dismiss(); |
| finish(); |
| } |
| }); |
| } |
| final AlertDialog alertDialog = builder.create(); |
| alertDialog.show(); |
| alertDialog.getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS); |
| } |
| |
| /** |
| * Delete the file specified by the given URI. |
| * |
| * @param uri The URI of the file |
| * @param context The context of the current application |
| */ |
| private static void dropFile(Uri uri, Context context) { |
| try { |
| if (DocumentsContract.isDocumentUri(context, uri)) { |
| DocumentsContract.deleteDocument(context.getContentResolver(), uri); |
| } else { |
| context.getContentResolver().delete(uri, null, null); |
| } |
| } catch (Exception e) { |
| Log.e(TAG, "could not delete document " + uri); |
| } |
| } |
| } |